query getBillableUsersCount(
  $fullPath: ID!
  $addGroupId: Int
  $addUserEmails: [String!]
  $addUserIds: [Int!]
  $role: GitlabSubscriptionsUserRole!
) {
  group(fullPath: $fullPath) {
    id
    gitlabSubscriptionsPreviewBillableUserChange(
      addGroupId: $addGroupId
      addUserEmails: $addUserEmails
      addUserIds: $addUserIds
      role: $role
    ) {
      willIncreaseOverage
      seatsInSubscription
      newBillableUserCount
    }
  }
}
